1: methanecarbohydroxamic acid With potassium carbonate in N,N-dimethyl-formamide T=20°C; 0.5 h; 2: 2-fluoro-5-methylbenzonitrile in N,N-dimethyl-formamide T=20°C; 72 h;

1: acetone-oxime With potassium tert-butylate in tetrahydrofuran T=20°C; 0.333333 h; 2: 2-fluoro-5-methylbenzonitrile in tetrahydrofuran T=20 - 60°C; 3: With hydrogenchloride; sodium hydroxide; sodium carbonate more than 3 stages;